What is the role of tisagenlecleucel (Kymriah) in chimeric antigen receptor (CAR) T-cell therapy for non-Hodgkin lymphoma?

Updated: May 04, 2018
  • Author: Sameh Gaballa, MD, MS; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

In May 2018, tisagenlecleucel gained approval for adults with relapsed or refractory large B-cell lymphoma (r/rDLBCL) including DLBCL not otherwise specified, high grade B-cell lymphoma, and DLBCL arising from follicular lymphoma after ≥2 lines of systemic therapy. [13]

Approval was based on a single-arm, open-label, multicenter, phase 2 JULIET trial in adults with relapsed or refractory DLBCL and DLBCL after transformation from follicular lymphoma. Eligible patients must have been treated with at least 2 prior lines of therapy, including an anthracycline and rituximab, or relapsed following ASCT. Patients received a single infusion of tisagenlecleucel following completion of lymphodepleting chemotherapy.

The ORR for the 68 evaluable patients was 50% (95% CI: 37.6, 62.4) with a CR rate of 32% (95% CI: 21.5, 44.8). With a median follow-up time of 9.4 months, the duration of response (DOR) was longer in patients with a best overall response of CR, as compared to a best overall response of partial response (PR). Among patients achieving CR, the estimated median DOR was not reached (95% CI: 10.0 months, not estimable [NE]). The estimated median response duration among patients in PR was 3.4 months (95% CI: 1.0, NE). [14, 15]


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